The edding 51 EcoLine paint marker combines professional quality with a strong commitment to sustainability for those who demand uncompromising performance. Its water-based paint ink delivers high opacity and enables permanent marking on a wide range of smooth surfaces, including glass, metal and plastic, as well as on dark or transparent materials. The ink dries quickly and is waterproof and lightfast, making it ideal for both indoor and outdoor use. The 1-2mm round nib ensures clean, consistent lines. The odourless ink is free from toluene and xylene and contains only low levels of volatile organic compounds (VOCs), making it pleasant and safe to use. For added longevity, the marker is refillable with edding LT 25 refill ink (Sold separately). Supplied in a pack of 10 red marker pens in a folding case.